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+;;; iddef.el --- Parser and utility for IDDef format files.
+
+;; Copyright (C) 2001 MORIOKA Tomohiko
+
+;; Author: MORIOKA Tomohiko <tomo@kanji.zinbun.kyoto-u.ac.jp>
+;; Keywords: IDDef, IDS, IDC, Ideographs, UCS, Unicode
+
+;; This file is a part of Tomoyo-Tools.
+
+;; This program is free software; you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation; either version 2, or (at
+;; your option) any later version.
+
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program; see the file COPYING.  If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; IDDef is a tab-separated format to describe some
+;; character-attributes of each Ideographs mainly for Ideographic
+;; structure.
+
+;;; Code:
+
+(require 'ids)
+(require 'ids-util)
+
+;;;###autoload
+(defun iddef-read-buffer (buffer)
+  (with-current-buffer buffer
+    (goto-char (point-min))
+    (let (ucs
+         radical seq ret
+         char struct
+         morohashi m-chr)
+      (while (re-search-forward
+             "^U\\+\\([0-9A-F]+\\)\t\\([0-9]+\\)\t[^\t]+\t\\([^\t\n]+\\)"
+             nil t)
+       (setq ucs (string-to-int (match-string 1) 16)
+             radical (string-to-int (match-string 2))
+             seq (match-string 3))
+       (setq ret (ids-parse-string seq))
+       (when (and (consp ret)
+                  (consp
+                   (setq struct (cdr (assq 'ideographic-structure ret)))))
+         (setq char (decode-char 'ucs ucs))
+         (unless (get-char-attribute char 'ideograph-daikanwa)
+           (when (and (setq morohashi
+                            (get-char-attribute char 'morohashi-daikanwa))
+                      (>= (length morohashi) 3))
+             (setq m-chr
+                   (if (= (nth 1 morohashi) 0)
+                       (decode-char 'ideograph-daikanwa
+                                    (setq morohashi (car morohashi)))
+                     (setq morohashi (list (car morohashi)
+                                           (nth 1 morohashi)))
+                     (map-char-attribute (lambda (char val)
+                                           (if (equal morohashi val)
+                                               char))
+                                         'morohashi-daikanwa)))
+             (put-char-attribute
+              m-chr
+              'ideographic-structure
+              (ideographic-structure-convert-to-daikanwa struct))))
+         (put-char-attribute char 'ideographic-structure struct)
+         (dolist (ref (union
+                       (get-char-attribute char '->same-ideograph)
+                       (get-char-attribute char '->identical)))
+           (if (setq ret
+                     (cond ((characterp ref) ref)
+                           ((char-ref-p ref)
+                            (find-char (plist-get ref :char)))
+                           (t
+                            (find-char ref))))
+               (put-char-attribute ret 'ideographic-structure struct)))
+         )))))
+
+;;;###autoload
+(defun iddef-read-file (file)
+  (interactive "fIDDef file : ")
+  (with-temp-buffer
+    (let ((coding-system-for-read 'utf-8))
+      (insert-file-contents file))
+    (iddef-read-buffer (current-buffer))))
+
+
+;;; @ End.
+;;;
+
+(provide 'iddef)
+
+;;; iddef.el ends here